// This is a minified version of jquery.json-2.2, included here for
// convenience until we have a better plan.
(function($){$.toJSON=function(o)
{if(typeof(JSON)=='object'&&JSON.stringify)
return JSON.stringify(o);var type=typeof(o);if(o===null)
return"null";if(type=="undefined")
return undefined;if(type=="number"||type=="boolean")
return o+"";if(type=="string")
return $.quoteString(o);if(type=='object')
{if(typeof o.toJSON=="function")
return $.toJSON(o.toJSON());if(o.constructor===Date)
{var month=o.getUTCMonth()+1;if(month<10)month='0'+month;var day=o.getUTCDate();if(day<10)day='0'+day;var year=o.getUTCFullYear();var hours=o.getUTCHours();if(hours<10)hours='0'+hours;var minutes=o.getUTCMinutes();if(minutes<10)minutes='0'+minutes;var seconds=o.getUTCSeconds();if(seconds<10)seconds='0'+seconds;var milli=o.getUTCMilliseconds();if(milli<100)milli='0'+milli;if(milli<10)milli='0'+milli;return'"'+year+'-'+month+'-'+day+'T'+
hours+':'+minutes+':'+seconds+'.'+milli+'Z"';}
if(o.constructor===Array)
{var ret=[];for(var i=0;i<o.length;i++)
ret.push($.toJSON(o[i])||"null");return"["+ret.join(",")+"]";}
var pairs=[];for(var k in o){var name;var type=typeof k;if(type=="number")
name='"'+k+'"';else if(type=="string")
name=$.quoteString(k);else
continue;if(typeof o[k]=="function")
continue;var val=$.toJSON(o[k]);pairs.push(name+":"+val);}
return"{"+pairs.join(", ")+"}";}};$.evalJSON=function(src)
{if(typeof(JSON)=='object'&&JSON.parse)
return JSON.parse(src);return eval("("+src+")");};$.secureEvalJSON=function(src)
{if(typeof(JSON)=='object'&&JSON.parse)
return JSON.parse(src);var filtered=src;filtered=filtered.replace(/\\["\\\/bfnrtu]/g,'@');filtered=filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');filtered=filtered.replace(/(?:^|:|,)(?:\s*\[)+/g,'');if(/^[\],:{}\s]*$/.test(filtered))
return eval("("+src+")");else
throw new SyntaxError("Error parsing JSON, source is not valid.");};$.quoteString=function(string)
{if(string.match(_escapeable))
{return'"'+string.replace(_escapeable,function(a)
{var c=_meta[a];if(typeof c==='string')return c;c=a.charCodeAt();return'\\u00'+Math.floor(c/16).toString(16)+(c%16).toString(16);})+'"';}
return'"'+string+'"';};var _escapeable=/["\\\x00-\x1f\x7f-\x9f]/g;var _meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'};})(jQuery);

/**
 * The Earth Engine namespace, for now.
 *
 * In the future, this will probably be Closure-based and contained in
 * the google namespace.
 */
earthengine = {};


   if (window.location.host == "localhost:8888") {
     earthengine.BASE_URL = "http://localhost:8888/";
   } else {
     //earthengine.BASE_URL = 'http://earthengine.googleapis.com/';
     earthengine.BASE_URL = 'http://imazon-sad.appspot.com/';
   }

earthengine.TILE_URLS = [ 'https://earthengine.googleapis.com/map',
                          'https://earthengine.googleapis.com/map',
                          'https://earthengine.googleapis.com/map',
                          'https://earthengine.googleapis.com/map' ];


/**
 * Requests a map ID to render a map with the given description.
 */
earthengine.getMapId = function(mapDescription, callback) {
  var data = {};
  for (parameterName in mapDescription) {   
    data[parameterName] = jQuery.toJSON(mapDescription[parameterName]);
  }
  jQuery.ajax({
    type: 'POST',
    url: earthengine.BASE_URL + 'api/mapid',
    data: mapDescription,
    dataType: 'json',
    success: function(response) {
      callback(response.data);
    }
  });
};

/**
 * Creates a Google Maps tiled image overlay from the given base URL.
 * The tile URLs will have the form baseMapTileUrl/zoom/x/y.
 */
 /*
earthengine.makeTileLayerOverlay = function(mapid) {
  var token = mapid.token;
  mapid = mapid.mapid;
  var tileUrls = earthengine.TILE_URLS;
  var layer = new GTileLayer(null, 0, 20);
  layer.isPng = function() { return true };
  layer.getTileUrl = function(tile, zoom) {
    var fe = tileUrls[((2 * tile.y) + tile.x) % tileUrls.length];
    //alert( [fe, mapid, zoom, tile.x, tile.y].join('/') + '?token=' + token);
    return [fe, mapid, zoom, tile.x, tile.y].join('/') + '?token=' + token;
  };
  return new GTileLayerOverlay(layer);
};
*/

earthengine.makeTileLayerOverlay = function(mapid) {
  var token = mapid.token;
  mapid = mapid.mapid;
  var tileUrls = earthengine.TILE_URLS;
  layer = new google.maps.ImageMapType({
    getTileUrl: function(tile, zoom) {
      
      var fe = tileUrls[((2 * tile.y) + tile.x) % tileUrls.length];
      
      return [fe, mapid, zoom, tile.x, tile.y].join('/') + '?token=' + token;
    },
    tileSize: new google.maps.Size(256, 256),
    isPng:true
  });
  return layer;
};

/**
 * Requests image metadata.
 */
 
earthengine.getValue = function(mapDescription, callback) {
  var data = {};
  for (parameterName in mapDescription) {   
    data[parameterName] = jQuery.toJSON(mapDescription[parameterName]);
  }
  jQuery.ajax({
    type: 'POST',
    url: earthengine.BASE_URL + 'api/value',
    data: mapDescription,
    dataType: 'json',
    success: function(response) {
      callback(response.data);
    }
  });
};
